chore: bump to rust 1.90.0 (#453)

crates/rmcp/src/model.rs

@@ -672,6 +672,7 @@ pub struct InitializeResult {
 pub type ServerInfo = InitializeResult;
 pub type ClientInfo = InitializeRequestParam;
 
+#[allow(clippy::derivable_impls)]
 impl Default for ServerInfo {
     fn default() -> Self {
         ServerInfo {
@@ -683,6 +684,7 @@ impl Default for ServerInfo {
     }
 }
 
+#[allow(clippy::derivable_impls)]
 impl Default for ClientInfo {
     fn default() -> Self {
         ClientInfo {

crates/rmcp/src/transport/streamable_http_client.rs

@@ -63,6 +63,7 @@ pub enum StreamableHttpProtocolError {
     MissingSessionIdInResponse,
 }
 
+#[allow(clippy::large_enum_variant)]
 pub enum StreamableHttpPostResponse {
     Accepted,
     Json(ServerJsonRpcMessage, Option<String>),
@@ -557,7 +558,7 @@ impl<C: StreamableHttpClient> Worker for StreamableHttpClientWorker<C> {
 ///
 /// impl StreamableHttpClient for MyHttpClient {
 ///     type Error = MyError;
-///     
+///
 ///     async fn post_message(
 ///         &self,
 ///         _uri: Arc<str>,
@@ -567,7 +568,7 @@ impl<C: StreamableHttpClient> Worker for StreamableHttpClientWorker<C> {
 ///     ) -> Result<rmcp::transport::streamable_http_client::StreamableHttpPostResponse, rmcp::transport::streamable_http_client::StreamableHttpError<Self::Error>> {
 ///         todo!()
 ///     }
-///     
+///
 ///     async fn delete_session(
 ///         &self,
 ///         _uri: Arc<str>,
@@ -576,7 +577,7 @@ impl<C: StreamableHttpClient> Worker for StreamableHttpClientWorker<C> {
 ///     ) -> Result<(), rmcp::transport::streamable_http_client::StreamableHttpError<Self::Error>> {
 ///         todo!()
 ///     }
-///     
+///
 ///     async fn get_stream(
 ///         &self,
 ///         _uri: Arc<str>,
@@ -639,7 +640,7 @@ impl<C: StreamableHttpClient> StreamableHttpClientTransport<C> {
     ///
     /// impl StreamableHttpClient for MyHttpClient {
     ///     type Error = MyError;
-    ///     
+    ///
     ///     async fn post_message(
     ///         &self,
     ///         _uri: Arc<str>,
@@ -649,7 +650,7 @@ impl<C: StreamableHttpClient> StreamableHttpClientTransport<C> {
     ///     ) -> Result<rmcp::transport::streamable_http_client::StreamableHttpPostResponse, rmcp::transport::streamable_http_client::StreamableHttpError<Self::Error>> {
     ///         todo!()
     ///     }
-    ///     
+    ///
     ///     async fn delete_session(
     ///         &self,
     ///         _uri: Arc<str>,
@@ -658,7 +659,7 @@ impl<C: StreamableHttpClient> StreamableHttpClientTransport<C> {
     ///     ) -> Result<(), rmcp::transport::streamable_http_client::StreamableHttpError<Self::Error>> {
     ///         todo!()
     ///     }
-    ///     
+    ///
     ///     async fn get_stream(
     ///         &self,
     ///         _uri: Arc<str>,

crates/rmcp/src/transport/streamable_http_server/session/local.rs

@@ -304,7 +304,7 @@ impl From<SessionError> for std::io::Error {
     fn from(value: SessionError) -> Self {
         match value {
             SessionError::Io(io) => io,
-            _ => std::io::Error::new(std::io::ErrorKind::Other, format!("Session error: {value}")),
+            _ => std::io::Error::other(format!("Session error: {value}")),
         }
     }
 }
@@ -687,6 +687,7 @@ impl LocalSessionHandle {
 
 pub type SessionTransport = WorkerTransport<LocalSessionWorker>;
 
+#[allow(clippy::large_enum_variant)]
 #[derive(Debug, Error)]
 pub enum LocalSessionWorkerError {
     #[error("transport terminated")]

crates/rmcp/tests/test_elicitation.rs

@@ -1458,6 +1458,7 @@ async fn test_elicitation_examples_compile() {
     use serde::{Deserialize, Serialize};
 
     // Example from trait documentation
+    #[allow(dead_code)]
     #[derive(Serialize, Deserialize, JsonSchema)]
     struct UserProfile {
         name: String,

examples/clients/src/git_stdio.rs

@@ -7,6 +7,7 @@ use rmcp::{
 use tokio::process::Command;
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
 
+#[allow(clippy::result_large_err)]
 #[tokio::main]
 async fn main() -> Result<(), RmcpError> {
     // Initialize logging

examples/servers/src/complex_auth_sse.rs

@@ -207,14 +207,6 @@ struct TokenRequest {
     refresh_token: String,
 }
 
-#[derive(Debug, Deserialize, Serialize)]
-struct UserInfo {
-    sub: String,
-    name: String,
-    email: String,
-    username: String,
-}
-
 fn generate_random_string(length: usize) -> String {
     rand::rng()
         .sample_iter(&Alphanumeric)

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.85"
+channel = "1.90"
 components = ["rustc", "rust-std", "cargo", "clippy", "rustfmt", "rust-docs"]